Blender base



FIG. 1 is a front perspective view of the blender base;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG, 5 is a left side view thereof; and,

FIG. 6 is a top plan view thereof.

The broken lines depict portions of the blender base that form no partof the claimed design.

CLAIM The ornamental design for a blender base, as shown and described.